From d6fe5482d30fe8f5197d18145a47ec8a2644dcca Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 2 Oct 2020 15:28:08 +0900
Subject: [PATCH] Add failing test showing missing control point removal

---
 osu.Game.Tests/NonVisual/ControlPointInfoTest.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/osu.Game.Tests/NonVisual/ControlPointInfoTest.cs b/osu.Game.Tests/NonVisual/ControlPointInfoTest.cs
index 830e4bc603..90a487c0ac 100644
--- a/osu.Game.Tests/NonVisual/ControlPointInfoTest.cs
+++ b/osu.Game.Tests/NonVisual/ControlPointInfoTest.cs
@@ -139,6 +139,22 @@ namespace osu.Game.Tests.NonVisual
             Assert.That(cpi.Groups.Count, Is.EqualTo(0));
         }
 
+        [Test]
+        public void TestRemoveGroupAlsoRemovedControlPoints()
+        {
+            var cpi = new ControlPointInfo();
+
+            var group = cpi.GroupAt(1000, true);
+
+            group.Add(new SampleControlPoint());
+
+            Assert.That(cpi.SamplePoints.Count, Is.EqualTo(1));
+
+            cpi.RemoveGroup(group);
+
+            Assert.That(cpi.SamplePoints.Count, Is.EqualTo(0));
+        }
+
         [Test]
         public void TestAddControlPointToGroup()
         {